swordtail


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swordtail

an aquarium fish, Xiphophorus spp., a member of the suborder Cyprinodontei.
References in periodicals archive ?
Many other fishes kept as ornamentals such as swordtails and platies, discus and angelfishes, as well as those cultured for food such as rainbow trout, channel catfish and sturgeon are merely exploited captives.
Female preference for male sword length in the green swordtail, Xiphophorus helleri (Pisces: Poeciliidae).
Studies on the life history of Baja California killifish include feeding interactions with the exotic green swordtail (Alaniz-Garcia et al.
In a rare demonstration of secret messaging in animals, a swordtail fish uses ultraviolet (UV) wavelengths as a private courtship channel, biologists now report.
niloticus), one was accidentally introduced as an ornamental fish (convict cichlid Amatitlania nigrofasciata), and three had been translocated to the reserve (mesa silverside Menidia jordani, porthole livebearer Poeciliopsis gracilis, and green swordtail Xiphophorus hellerii).
Only in the swordtail fish and a marine isopod had researchers found evidence of inherited mating styles.
The fish are a cross between a swordtail and a hybrid of a swordtail and the platyfish, two popular tropical aquarium pets.
Physiological adaptation along environmental gradients and replicated hybrid zone structure in swordtails (Teleostei: Xiphophorus).
However, other fish species, such as swordtails and guppies, do depend on chromosomes to determine sex.
PARASITE-MEDIATED SEXUAL SELECTION OF GREEN SWORDTAILS, XIPHOPHORUS HELLERI